CN217815018U - Anticorrosive protection device of butterfly valve - Google Patents

Abstract

The utility model discloses an anti-corrosion protection device of a butterfly valve, which comprises a lower shell, wherein the lower shell and an upper shell are respectively sleeved at the lower end and the upper end of the butterfly valve, a first semicircular fixture block and a second semicircular fixture block are arranged at the two ends of the lower shell and the upper shell in a clamping fit manner, a wrench of the butterfly valve passes through a sleeve arranged on the upper shell and is positioned in a cover sleeve, and the first semicircular fixture block and the second semicircular fixture block are bolted and fixed through bolts, so that the device is arranged outside the butterfly valve; through the circular protruding cooperation of the spout that the cover overlaps the inner wall and set up with the setting of sleeve pipe outer wall, make circular arch slide inside the annular groove, through rotating the cover, make spout and circular protruding dislocation, make the cover be difficult for droing and protect the butterfly valve spanner, when needs operation butterfly valve spanner, the rotatory cover of accessible covers, make cover inner wall spout and circular protruding corresponding, make the cover break away from the sheathed tube joint through drawing the cover, and then be convenient for operate the butterfly valve spanner and control the butterfly valve flow.

Description

Anticorrosive protection device of butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve's anticorrosive protection device.

Background

The butterfly valve is also called as a flap valve and is a simple valve adjusting structure, the butterfly valve is mainly used in a low-pressure pipeline, the pipeline is sealed by rotating around a valve shaft through the butterfly plate, so that the opening and closing effects are achieved, the butterfly valve can be used for controlling the flow of various types of fluids such as air, water, steam and the like, and when the butterfly valve is used outdoors, a wrench of the butterfly valve is corroded easily due to the corrosion effect of wind and rain and chemical fluids, and the opening and closing are insensitive.

The existing butterfly valve anticorrosion protection device is complex in structure, when the butterfly valve inside the protection device needs to be maintained, the protection device arranged outside the butterfly valve is not easy to detach, and a butterfly valve wrench is not convenient to operate to control the flow of the butterfly valve, so that the butterfly valve anticorrosion protection device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticorrosive protection device of butterfly valve, it is complicated to current anticorrosive protection device of butterfly valve structure, when the inside butterfly valve of protection device need be maintained, the protection device of the outside setting of butterfly valve is difficult for dismantling, and is not convenient for operate the condition that the butterfly valve spanner carries out control to the butterfly valve flow and improves to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an anticorrosive protection device of butterfly valve, includes the inferior valve, the upper end block of inferior valve is provided with the epitheca, and the relative one side of inferior valve and epitheca all is the symmetry and has seted up two sets of semicircular grooves, the inferior valve is located the first semicircular fixture block of outside fixedly connected with in semicircular groove, the epitheca is located the outside fixedly connected with second semicircular fixture block in semicircular groove, second semicircular fixture block and first semicircular fixture block correspond the setting from top to bottom, all fixed bonding has the rubber pad on the inner wall of second semicircular fixture block and first semicircular fixture block, and it is fixed through the bolt joint between second semicircular fixture block and the first semicircular fixture block, the fixed dress in top of epitheca is equipped with the sleeve pipe, and is the circular arch of four groups installed to be annular array on the sheathed tube outer wall, the sheathed tube outer wall has cup jointed the cover through circular arch.

Preferably, the inner wall of the cover sleeve is provided with four groups of sliding chutes in an annular array, and the end part of the cover sleeve, which is positioned on the sliding chutes, is provided with an annular groove communicated with the four groups of sliding chutes.

Preferably, the inner diameter width of the sliding groove is matched with the outer diameter of the circular protrusion, and the circular protrusion is slidably clamped in the annular groove through the sliding groove.

Preferably, two sets of threaded through holes corresponding to each other are formed in the first semicircular fixture block and the second semicircular fixture block, and one end of the bolt penetrates through the threaded through holes in the first semicircular fixture block and the second semicircular fixture block in sequence and is locked and fixed through a nut.

Preferably, a clamping groove is formed in the upper end of the lower shell, a clamping block corresponding to the clamping groove is fixedly connected to the bottom of the upper shell, and the clamping block is clamped inside the clamping groove.

Preferably, two groups of liquid discharge holes are symmetrically formed in the bottom of the lower shell, and each group of liquid discharge holes consists of a plurality of through holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lower end and the upper end of the butterfly valve are respectively sleeved with the lower shell and the upper shell, the first semicircular fixture block and the second semicircular fixture block are arranged at the two ends of the lower shell and the upper shell in a clamping fit mode, a wrench of the butterfly valve penetrates through a sleeve arranged on the upper shell and is positioned inside the cover sleeve, and the first semicircular fixture block and the second semicircular fixture block are bolted and fixed through bolts, so that the device is arranged outside the butterfly valve, the corrosion effect of external wind and rain and chemical fluid on the butterfly valve is reduced, the structure is simple, and the disassembly and the assembly are convenient;

2. through the circular protruding cooperation of the spout that the cover overlaps the inner wall and set up with the setting of sleeve pipe outer wall, make circular arch slide inside the annular groove, through rotating the cover, make spout and circular protruding dislocation, make the cover be difficult for droing and protect the butterfly valve spanner, when needs operation butterfly valve spanner, the rotatory cover of accessible covers, make cover inner wall spout and circular protruding corresponding, make the cover break away from the sheathed tube joint through drawing the cover, and then be convenient for operate the butterfly valve spanner and control the butterfly valve flow.

Drawings

Fig. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a schematic view of an axial structure of the upper case of the present invention;

fig. 3 is a schematic view of the axial measurement structure of the lower shell of the present invention;

fig. 4 is a schematic view of the axle measuring structure of the cover sleeve of the present invention.

In the figure: 1. a lower case; 2. an upper shell; 3. a semicircular groove; 4. a first semicircular fixture block; 5. a second semicircular fixture block; 6. a rubber pad; 7. a bolt; 8. a threaded through hole; 9. a sleeve; 10. a circular protrusion; 11. covering with a cover; 12. a chute; 13. an annular groove; 14. a drain hole; 15. a card slot; 16. and (6) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an anti-corrosion protection device of a butterfly valve comprises a lower shell 1, wherein an upper shell 2 is clamped at the upper end of the lower shell 1, two groups of semicircular grooves 3 are symmetrically formed in one opposite side of the lower shell 1 and one opposite side of the upper shell 2, a first semicircular fixture block 4 is fixedly connected to the outer side, located on the semicircular grooves 3, of the lower shell 1, a second semicircular fixture block 5 is fixedly connected to the outer side, located on the semicircular grooves 3, of the upper shell 2, the second semicircular fixture block 5 and the first semicircular fixture block 4 are correspondingly arranged up and down, rubber pads 6 are fixedly bonded to the inner walls of the second semicircular fixture block 5 and the first semicircular fixture block 4, the second semicircular fixture block 5 and the first semicircular fixture block 4 are fixedly connected through bolts 7 in a bolted mode, two groups of thread through holes 8 which correspond to each other are formed in the first semicircular fixture block 4 and the second semicircular fixture block 5, one end of each bolt 7 sequentially penetrates through the thread through holes 8 in the first semicircular fixture block 4 and the second semicircular fixture block 5 to be fixed through nut locking, and the bolts 7 are convenient to bolt the first semicircular fixture block 4 and the second semicircular fixture block 5 to be fixed, the butterfly valve device to be installed outside;

the bottom of the lower shell 1 is symmetrically provided with two groups of liquid discharge holes 14, each group of liquid discharge holes 14 consists of a plurality of through holes, so that when liquid leaks from the butterfly valve, the liquid can flow out of the lower shell 1 through the liquid discharge holes 14, the upper end of the lower shell 1 is provided with a clamping groove 15, the bottom of the upper shell 2 is fixedly connected with a clamping block 16 corresponding to the clamping groove 15, the clamping block 16 is clamped inside the clamping groove 15, and the clamping groove 15 and the clamping block 16 are matched conveniently, so that the lower shell 1 and the upper shell 2 are better in connection sealing performance;

the fixed cover pipe 9 that inlays in top of epitheca 2, and be annular array on the outer wall of sleeve pipe 9 and install four groups circular protrusion 10, the outer wall of sleeve pipe 9 can be dismantled through circular protrusion 10 and cup jointed and cover 11, the inner wall of cover 11 is four groups spout 12 that have seted up annular array, the tip that cover 11 is located spout 12 offers the annular groove 13 with four groups spout 12 intercommunication, the internal diameter width of spout 12 and the external diameter looks adaptation of circular protrusion 10, circular protrusion 10 passes through spout 12 slip joint in the inside of annular groove 13, be convenient for through the spout 12 of cover 11 inner wall setting and the circular protrusion 10 cooperation of sleeve pipe 9 outer wall setting, make circular protrusion 10 slide inside annular groove 13, through rotating cover 11, make spout 12 and circular protrusion 10 dislocation, make cover 11 difficult for droing the butterfly valve spanner protection, when needs operate the butterfly valve spanner, accessible rotating cover 11, make cover 11 inner wall spout 12 correspond with circular protrusion 10, make cover 11 break away from the joint to butterfly valve 9 through drawing cover 11, and then be convenient for operating the butterfly valve spanner and carry out flow control.

The utility model discloses through locating the lower extreme and the upper end of butterfly valve with inferior valve 1 and epitheca 2 respectively cover during the use, set up first semicircular fixture block 4 and the cooperation of second semicircular fixture block 5 block through inferior valve 1 and epitheca 2 both ends, the spanner of butterfly valve passes the sleeve pipe 9 that sets up on epitheca 2, is located the inside of cover 11, bolt and fix first semicircular fixture block 4 and second semicircular fixture block 5 through bolt 7, make the device install in the outside of butterfly valve, reduce the external wind and rain, the corrosive action of chemical fluid to the butterfly valve, simple structure, the dismouting of being convenient for;

spout 12 through 11 inner walls of lid cover setting and the circular arch 10 cooperation that the sleeve pipe 9 outer wall set up, make circular arch 10 slide inside annular groove 13, through rotating lid cover 11, make spout 12 and the dislocation of circular arch 10, make lid cover 11 be difficult for droing protect the butterfly valve spanner, when the butterfly valve spanner is operated to needs, the rotatory lid cover of accessible 11, make 11 inner walls of lid cover spout 12 correspond with circular arch 10, make lid cover 11 break away from the joint to sleeve pipe 9 through drawing lid cover 11, and then be convenient for operate the butterfly valve spanner and control the butterfly valve flow.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an anticorrosive protection device of butterfly valve, includes inferior valve (1), its characterized in that: the upper end block of inferior valve (1) is provided with epitheca (2), and the relative one side of inferior valve (1) and epitheca (2) all is the symmetry and has seted up two sets of semicircular groove (3), inferior valve (1) is located the first semicircular fixture block (4) of outside fixedly connected with of semicircular groove (3), the outside fixedly connected with second semicircular fixture block (5) that epitheca (2) is located semicircular groove (3), correspond the setting about second semicircular fixture block (5) and first semicircular fixture block (4) are, all fixed bonding has rubber pad (6) on the inner wall of second semicircular fixture block (5) and first semicircular fixture block (4), and pass through bolt (7) bolt fastening between second semicircular fixture block (5) and the first semicircular fixture block (4), the top of epitheca (2) is fixed to be inlayed and is equipped with sleeve pipe (9), and the circular array of the outer wall of sleeve pipe (9) is installed four circular protruding (10), the outer wall of sleeve pipe (9) can be dismantled through circular protruding (10) and cup jointed the cover (11).

2. The corrosion protection device of a butterfly valve according to claim 1, wherein: the inner wall of the cover sleeve (11) is provided with four groups of sliding chutes (12) in an annular array, and the end part of the cover sleeve (11) positioned on the sliding chutes (12) is provided with annular grooves (13) communicated with the four groups of sliding chutes (12).

3. An anti-corrosion protection device of a butterfly valve according to claim 2, characterized in that: the inner diameter width of the sliding groove (12) is matched with the outer diameter of the circular protrusion (10), and the circular protrusion (10) is connected with the inner part of the annular groove (13) in a sliding and clamping mode through the sliding groove (12).

4. The corrosion protection device of a butterfly valve according to claim 1, wherein: two sets of threaded through holes (8) which correspond to each other are formed in the first semicircular fixture block (4) and the second semicircular fixture block (5), and one end of the bolt (7) penetrates through the threaded through holes (8) in the first semicircular fixture block (4) and the second semicircular fixture block (5) in sequence and is locked and fixed through nuts.

5. The corrosion protection device of a butterfly valve according to claim 1, wherein: draw-in groove (15) have been seted up to the upper end of inferior valve (1), the bottom fixedly connected with of epitheca (2) and draw-in groove (15) corresponding fixture block (16), fixture block (16) joint is in the inside of draw-in groove (15).

6. The corrosion protection device of a butterfly valve according to claim 1, wherein: the bottom of the lower shell (1) is symmetrically provided with two groups of liquid discharge holes (14), and each group of the liquid discharge holes (14) is composed of a plurality of through holes.

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